Restrict hover styles in action list to only href

Summary: We're currently applying these styles to labels, restrict them to only list elements that have an href.

Test Plan: Test a label, an anchor, and a button as an action item.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17031

src/view/layout/PhabricatorActionView.php

@@ -271,6 +271,10 @@ final class PhabricatorActionView extends AphrontView {
       $classes[] = 'phabricator-action-view-submenu';
     }
 
+    if ($this->getHref()) {
+      $classes[] = 'phabricator-action-view-href';
+    }
+
     $style = array();
 
     if ($this->hidden) {